func populateSteps()

in cli_tools/gce_image_publish/publish/publish.go [428:476]
38 lines of code
13 McCabe index (conditional complexity)

func populateSteps(w *daisy.Workflow, prefix string, createImages *daisy.CreateImages, deprecateImages *daisy.DeprecateImages, deleteResources *daisy.DeleteResources) error {
	var createStep *daisy.Step
	var deprecateStep *daisy.Step
	var deleteStep *daisy.Step
	var err error
	if createImages != nil {
		createStep, err = w.NewStep("publish-" + prefix)
		if err != nil {
			return err
		}
		createStep.CreateImages = createImages
		// The default of 10m is a bit low, 1h is excessive for most use cases.
		// TODO(ajackura): Maybe add a timeout field override to the template?
		createStep.Timeout = "1h"
	}

	if deprecateImages != nil {
		deprecateStep, err = w.NewStep("deprecate-" + prefix)
		if err != nil {
			return err
		}
		deprecateStep.DeprecateImages = deprecateImages
	}

	if deleteResources != nil {
		deleteStep, err = w.NewStep("delete-" + prefix)
		if err != nil {
			return err
		}
		deleteStep.DeleteResources = deleteResources
	}

	// Create before deprecate on
	if deprecateStep != nil && createStep != nil {
		w.AddDependency(deprecateStep, createStep)
	}

	// Create before delete on
	if deleteStep != nil && createStep != nil {
		w.AddDependency(deleteStep, createStep)
	}

	// Un-deprecate before delete on rollback.
	if deleteStep != nil && deprecateStep != nil {
		w.AddDependency(deleteStep, deprecateStep)
	}

	return nil
}